200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01ysb2s2 38ms POST /ai/v1/search {} Idempotency-Key: SAFra4cv1sb8 Send ▶> POST /ai/v1/session {}
< 200 OK req_01ysb2s2 38ms POST /ai/v1/search {} Idempotency-Key: SAFra4cv1sb8 Send ▶